import router from './router'
import store from './store'
import {Message} from 'element-ui'
import NProgress from 'nprogress'
import 'nprogress/nprogress.css'
import {getToken} from '@/utils/auth'
import {isRelogin} from '@/utils/request'

// 轻量级的进度条组件
NProgress.configure({showSpinner: false})

const whiteList = ['/login', '/auth-redirect', '/bind', '/register']

// 路由循环执行直到遇到相匹配的路由后跳转、否则会一直循环寻找路由
router.beforeEach((to, from, next) => {
    NProgress.start()
    if (getToken()) {
        to.meta.title && store.dispatch('settings/setTitle', to.meta.title)
        if (to.path === '/login') {
            next({path: '/'})
            NProgress.done()
        } else {
            if (store.getters.roles.length === 0) {
                isRelogin.show = true
                // 判断当前用户是否已拉取完user_info信息
                store.dispatch('GetInfo').then(() => {
                    isRelogin.show = false
                    // 获取用户所选服务第一条
                    let roleGroupId = store.getters.sysRoleGroup.length > 0 ? store.getters.sysRoleGroup[0].roleGroupId : ''
                    store.dispatch('GenerateRoutes', roleGroupId).then(accessRoutes => {
                        // 根据roles权限生成可访问的路由表
                        router.addRoutes(accessRoutes) // 动态添加可访问路由表
                        next({...to, replace: true}) // hack方法 确保addRoutes已完成
                    })
                }).catch(err => {
                    store.dispatch('LogOut').then(() => {
                        Message.error(err)
                        next({path: '/'})
                    })
                })
            } else {
                next()
            }
        }
    } else {
        // 没有token
        if (whiteList.indexOf(to.path) !== -1) {
            // 在免登录白名单，直接进入
            next()
        } else {
            next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
            NProgress.done()
        }
    }
})


router.afterEach(() => {
    NProgress.done()
})
